ROS path [0]=/opt/ros/indigo/share/ros
ROS path [1]=/home/spark/my_ws/src
ROS path [2]=/home/spark/catkin_ws/src
ROS path [3]=/opt/ros/indigo/share
ROS path [4]=/opt/ros/indigo/stacks.
Arg xml is <arg default="$(find moveit_config)/default_warehouse_mongo_db" name="db_path"/>
The traceback for the exception was written to the log file
以上錯誤是我在運行roslaunch my_robot demo.launch 出現的。原因是用moveit助手生成的moveit_config被我放在了我的my_robot這個包裏面了，moveit_config應該作爲一個獨立的包放在src中，然後編譯，就可以運行了roslaunch moveit_config demo.launch